The Screw,close Tolerance, cataloged under National Stock Number 5305-01-265-6124, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 14 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-265-6124 |
| Primary Part Number | ST3M714-4D54 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 3.676 INCHES MINIMUM AND 3.706 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.365 INCHES MINIMUM AND 3.385 INCHES MAXIMUM IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 3.553 INCHES MINIMUM AND 3.593 INCHES MAXIMUM FIRST HOLE IN |
| Head Diameter | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST3M714-4D54 | Reid Products Inc. Dba Reid Products Inc (USA) |
| ST3M714-4D54 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| ST3M714-4D54 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| HT4049-4D54 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HT4049-4D54 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| HT4049-4D54 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M714-4D54 | Heartland Precision Fasteners Inc (USA) |
| HT4049-4D54 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4049-4D54 | Howmet Global Fastening Systems Inc (USA) |
| HT4049-4D54 | Huck International, Inc (USA) |
| ST3M714-4D54 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4049-4D54 | Hi-Shear Corporation (USA) |
| WC4049-4D54 | West Coast Aerospace, Inc. (USA) |
| ST3M714-4D54 | Houston Precision Fasteners I Lp (USA) |
| Reference | Meaning |
|---|---|
| HT4049-4D54 | 5/9 Secondary reference U.S. Government activity |
| HT4049-4D54 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| HT4049-4D54 | 5/2 Secondary reference U.S. Government activity |
| HT4049-4D54 | 5/2 Secondary reference U.S. Government activity |
NSN 5305-01-265-6124 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-265-6124 has 14 manufacturer part numbers on file: ST3M714-4D54 (Reid Products Inc. Dba Reid Products Inc), ST3M714-4D54 (Fastener Innovation Technology, Inc. Dba F I T), ST3M714-4D54 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), HT4049-4D54 (Sps Technologies, Llc Dba PB Fasteners), HT4049-4D54 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 9 more.
Key specifications for ST3M714-4D54: Fastener Length: 3.676 INCHES MINIMUM AND 3.706 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.291 INCHES MINIMUM AND 0.341 INCHES MAXIMUM IN; Shank Unthreaded Hole Diameter: 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.